115
FNCA52 TJSJ 060730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST WED MAY 6 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-062000-
SOUTHEAST COASTAL PLAINS-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 10
TEMP (24H TREND) 89 (+2) 73 (-2) 90
RH % (24H TREND) 52 (-9) 88 (+2) 45
WIND 20FT/EARLY(MPH) E 14 E 11 E 13
WIND 20FT/LATE(MPH) SE 14 NE 10 SE 14
MIXING HGT(FT-AGL/MSL)4790 4900
TRANSPORT WND (MPH) E 14 E 10
VENT RATE (KT-FT) 57480 44100
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-062000-
SOUTHERN HILLS-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20
TEMP (24H TREND) 87 (+4) 70 (-3) 87
RH % (24H TREND) 59 (-12) 96 (+5) 58
WIND 20FT/EARLY(MPH) E 11 E 9 E 10
WIND 20FT/LATE(MPH) SE 11 E 9 SE 11
MIXING HGT(FT-AGL/MSL)5490 6040
TRANSPORT WND (MPH) E 13 E 7
VENT RATE (KT-FT) 60390 36240
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-062000-
NORTH COASTAL PLAINS-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 0 20
TEMP (24H TREND) 90 (0) 71 (-3) 90
RH % (24H TREND) 56 (-8) 97 (+4) 57
WIND 20FT/EARLY(MPH) E 12 E 11 E 11
WIND 20FT/LATE(MPH) E 16 E 10 E 17
MIXING HGT(FT-AGL/MSL)5130 5030
TRANSPORT WND (MPH) E 12 E 9
VENT RATE (KT-FT) 51300 40240
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-062000-
NORTHERN HILLS-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 20
TEMP (24H TREND) 89 (+1) 70 (-1) 89
RH % (24H TREND) 58 (-6) 98 (+3) 59
WIND 20FT/EARLY(MPH) E 10 E 9 E 9
WIND 20FT/LATE(MPH) E 13 E 8 NE 13
MIXING HGT(FT-AGL/MSL)6150 6150
TRANSPORT WND (MPH) E 8 E 7
VENT RATE (KT-FT) 43050 36900
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-062000-
WEST COAST-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 20
TEMP (24H TREND) 91 (+1) 72 (-2) 91
RH % (24H TREND) 58 (-7) 97 (+3) 56
WIND 20FT/EARLY(MPH) E 12 E 8 E 11
WIND 20FT/LATE(MPH) E 13 E 10 E 11
MIXING HGT(FT-AGL/MSL)4990 5130
TRANSPORT WND (MPH) SE 10 E 7
VENT RATE (KT-FT) 44910 30780
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-062000-
EASTERN INTERIOR-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20
TEMP (24H TREND) 88 (+3) 71 (-3) 88
RH % (24H TREND) 59 (-10) 96 (+3) 59
WIND 20FT/EARLY(MPH) E 11 E 10 E 11
WIND 20FT/LATE(MPH) SE 12 E 10 E 11
MIXING HGT(FT-AGL/MSL)5810 6490
TRANSPORT WND (MPH) SE 12 E 8
VENT RATE (KT-FT) 58100 45430
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-062000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 20
TEMP (24H TREND) 83 (+3) 70 (-3) 83
RH % (24H TREND) 64 (-13) 97 (+3) 65
WIND 20FT/EARLY(MPH) E 11 E 9 E 10
WIND 20FT/LATE(MPH) SE 11 E 8 E 9
MIXING HGT(FT-AGL/MSL)4650 4610
TRANSPORT WND (MPH) SE 13 E 9
VENT RATE (KT-FT) 51150 36880
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-062000-
CENTRAL MOUNTAIN RANGE-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 0 20
TEMP (24H TREND) 86 (+4) 67 (-3) 86
RH % (24H TREND) 60 (-11) 97 (+2) 59
WIND 20FT/EARLY(MPH) E 9 E 8 E 6
WIND 20FT/LATE(MPH) SE 9 E 6 E 8
MIXING HGT(FT-AGL/MSL)7080 7400
TRANSPORT WND (MPH) E 7 NE 5
VENT RATE (KT-FT) 42480 29600
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-062000-
CAYEY MOUNTAIN RANGE-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 20
TEMP (24H TREND) 83 (+3) 69 (-3) 83
RH % (24H TREND) 65 (-12) 98 (+3) 64
WIND 20FT/EARLY(MPH) E 10 E 8 E 9
WIND 20FT/LATE(MPH) SE 10 E 8 E 9
MIXING HGT(FT-AGL/MSL)5030 5380
TRANSPORT WND (MPH) E 13 E 8
VENT RATE (KT-FT) 55330 37660
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-062000-
VIEQUES-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20
TEMP (24H TREND) 87 (+1) 77 (-1) 87
RH % (24H TREND) 61 (-6) 85 (0) 61
WIND 20FT/EARLY(MPH) E 13 E 11 E 12
WIND 20FT/LATE(MPH) E 11 E 12 E 10
MIXING HGT(FT-AGL/MSL)3340 3420
TRANSPORT WND (MPH) E 14 E 15
VENT RATE (KT-FT) 40080 44460
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-062000-
CULEBRA-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20
TEMP (24H TREND) 89 (+2) 78 (-1) 87
RH % (24H TREND) 60 (-9) 87 (+1) 59
WIND 20FT/EARLY(MPH) E 13 E 11 E 13
WIND 20FT/LATE(MPH) E 12 E 12 E 10
MIXING HGT(FT-AGL/MSL)3410 3450
TRANSPORT WND (MPH) E 16 E 16
VENT RATE (KT-FT) 47740 48300
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-062000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 10
TEMP (24H TREND) 91 (+2) 73 (-3) 91
RH % (24H TREND) 51 (-7) 92 (+4) 45
WIND 20FT/EARLY(MPH) E 17 E 13 E 17
WIND 20FT/LATE(MPH) SE 19 E 12 SE 17
MIXING HGT(FT-AGL/MSL)4740 4910
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 66360 58920
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-062000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20
TEMP (24H TREND) 86 (+1) 75 (-3) 86
RH % (24H TREND) 63 (-7) 95 (+7) 62
WIND 20FT/EARLY(MPH) E 13 E 11 E 12
WIND 20FT/LATE(MPH) E 13 E 12 E 10
MIXING HGT(FT-AGL/MSL)3510 3430
TRANSPORT WND (MPH) E 16 E 16
VENT RATE (KT-FT) 49140 48020
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-062000-
ST CROIX-
330 AM AST WED MAY 6 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 20
TEMP (24H TREND) 87 (+1) 74 (-4) 86
RH % (24H TREND) 63 (-7) 94 (+8) 63
WIND 20FT/EARLY(MPH) E 13 E 11 E 12
WIND 20FT/LATE(MPH) E 13 E 12 E 10
MIXING HGT(FT-AGL/MSL)4380 4480
TRANSPORT WND (MPH) E 16 E 10
VENT RATE (KT-FT) 61320 40320
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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